File _link of Package golang-github-prometheus-promu

<link baserev="7feaa2ab1ca1fb4c2c7da0ea187b67b2" project="openSUSE:Factory" rev="7feaa2ab1ca1fb4c2c7da0ea187b67b2" vrev="5.0.0">
  <patches>
    <branch />
  </patches>
</link>